[TowerTalk] W3DZZ - 5el triband yagi - I need info

Julio maronhas pp2bt at yahoo.com.br
Thu Dec 27 05:56:40 EST 2018


Good Morning,
A friend of mine, a young radio amateur, won from an old ham radio an old yagi antenna, almost a museum piece, kept for many years and like new.
It's a W3DZZ triband antenna for 10/15 / 20m with 5 elements being 10m works with 2 reflectors 5 elements and 15/20 works with 3 elements.
In the March 1955 edition of QST in a W3DZZ article titled "The Multimatch Antenna System" he cites the antenna but does not enter into many details of the feed system.
The antenna was manufactured by Frederick Tools & Engineering Corp. in Maryland and is in excellent condition, mounted and in the tower.
The problem encountered was that the SWR is too high and we did not find information about the T match that is in the antenna design but nothing is reported in the manual.
What we need is the original T match measurements and the 75-ohm twin lead tape length.
Could someone help us?

73s de Julio, PP2BT 
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